Table 1.
Demographic and clinical characteristics of the operative and non-operative cohorts as determined at the time of initial presentation*.
| Characteristic | Non-Operative | Operative | p-value |
|---|---|---|---|
| Age | - | - | 0.62 |
| 50 or younger | 20 (17) | 14 (16) | - |
| 51-60 | 40 (35) | 26 (30) | - |
| 61-70 | 31 (27) | 31 (36) | - |
| 71 or older | 24 (21) | 16 (18) | - |
| Biologic Sex | - | - | 0.10 |
| Male Sex | 58 (50) | 54 (62) | - |
| Female Sex | 57 (50) | 33 (38) | - |
| White | 98 (85) | 76 (87) | 0.66 |
| Body Mass Index (mean, SD) | 26.9 (6.1) | 27.7 (6.1) | 0.22 |
| Number of Co-morbidities (mean, SD) | 2.5 (0.9) | 2.3 (0.8) | 0.02 |
| Vertebral Body Collapse | - | - | 0.006 |
| No collapse with <50% involvement | 19 (17) | 14 (16) | - |
| No collapse with ≥50% involvement | 38 (33) | 28 (32) | - |
| Collapse with <50% involvement | 42 (37) | 17 (20) | - |
| Collapse with ≥50% involvement | 16 (14) | 28 (32) | - |
| Serum Albumin | - | - | 0.76 |
| Albumin <3.5g/dL | 34 (30) | 24 (28) | - |
| Albumin ≥3.5g/dL | 81 (70) | 63 (72) | - |
| Vertebral Body Metastases | - | - | 0.10 |
| 1 | 21 (19) | 21 (25) | - |
| 2 | 17 (15) | 20 (24) | - |
| 3 or more | 74 (66) | 43 (51) | - |
| Neurologic Status at Presentation | - | - | 0.01 |
| Neurologic Intact | 91 (79) | 52 (60) | - |
| Neurologic Deficits | 23 (20) | 34 (39) | - |
| Type of Lesion | - | - | 0.01 |
| Blastic/Mixed | 58 (50) | 28 (33) | - |
| Lytic | 57 (50) | 57 (67) | - |
*
- All values are presented as raw number and percentage (rounded to the nearest whole number) except where noted.